spacer

noun spac·er \ ˈspā-sər \
Updated on: 21 May 2018

Definition of spacer

plural spacers
: a device or piece used to create or maintain a desired amount of space (as between two parts)
  • As long as your joints look even, it's more important that you avoid a large grout line at the last tile than worry about sticking to the exact measurement of the spacer.
  • —Jennifer Stimpson
  • Stiff spacers of low-expansion materials … may be used to provide a fixed spacing between the end mirrors.
  • —Arthur L. Schawlow
  • Use wood shims or spacers where necessary to compensate for wavy ceilings and to make certain the bottom surfaces of all strips are flush.
  • —Bernard Gladstone

Recent Examples of spacer from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spacer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of spacer

1857

in the meaning defined above

See Words from the same year
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Medical Dictionary

spacer

noun spac·er \ ˈspā-sər \

medical Definition of spacer

: a region of chromosomal DNA between genes that is not transcribed into messenger RNA and is of uncertain function

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